Create Tables in Access with DelphiNo, it is possible to create tables as you/the user like - but how will you manage this unknown fields in your application? Normal is to have a working context and a data structure for this context the application knows and most important knows how to handle.

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Create Tables in Access with Delphi@Jano That is not the way to go. The table structure should not follow the data. Instead build a fixed structure that can store all the data.

How can I send JSON/XML from Delphi 2007 to C++, C# or Java (Android)?Sending JSON is as easy as sending a string or stream. Indy or TCP do not care about the data inside. You have to take care to encode/decode the data structure to/from the raw sending data. If you have problems with Indy ask a question about Indy. If you have problems with JSON ask a question about JSON. Both together did not make sense

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How can I send JSON/XML from Delphi 2007 to C++, C# or Java (Android)?You are describing that you have problems with the road and now you are trying to get around this by using a car from a different manufactorer. Well, what makes you feel this could solve the road problem? You have to work on the road and after that you can use every car you like.

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How to correctly handle the '[dcc32 Warning] W1002 Symbol x is specific to a platform'?The warning is just a hint for you to not expect this code is working on all platforms. Wrapping that code with the SYMBOL_PLATFORM OFF is just the way to tell the compiler: "I saw and understood the warning and I did all to handle this". If you wrap and do not handle this you lie to the compiler and in the end you lie to yourself. Thats the whole story